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- Search Terms:ISSN: 01492195AndISSN: 1545861XAndVolume Number: 53AndIssue Number: 5AndStart Page: 107AndDate: 2004 Revise Search
- 1From: Morbidity and Mortality Weekly Report. (Vol. 53, Issue 5)Since the 1988 World Health Assembly resolution to eradicate poliomyelitis (1), the number of polio-endemic countries has decreased from 125 in 1988 to six in 2003 (i.e., Afghanistan, Egypt, India, Niger, Nigeria, and...